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Because petroleum wastewater contains harmful substances, petrochemical wastewater must be treated harmlessly before it can be discharged. Typically, chemical plants use polyacrylamide to treat wastew...

In recent years, with the continuous improvement of Chinese residents' living standards, the demand for meat, eggs, milk and other aquaculture products also increases, so a large number of sludge ...

when oil and gas fields enter tertiary oil recovery stage, single irrigation flooding will greatly reduce its harm efficiency, increase water consumption and increase oil moisture content. In addition...